Charging a 2026 Ford Mustang Mach-E RWD Extended at home in Tennessee

At Tennessee's residential electricity rate of 13.9¢/kWh, a 2026 Ford Mustang Mach-E RWD Extended (rated 30.7 kWh per 100 miles by the EPA) costs $4.26 to drive 100 miles on home charging, against $16.02 for the same distance in a car averaging 25.5 mpg on gasoline at $4.085/gallon. That works out to 73.4% cheaper per mile than gasoline in Tennessee — charging at home costs a fraction of what gas would here.

What a year of driving costs

Tennessee owners putting 15,000 annual miles on a 2026 Ford Mustang Mach-E RWD Extended spend about $639 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,763 saved annually, at this mileage.

Filling up the 2026 Ford Mustang Mach-E RWD Extended, in dollars

At Tennessee's rate, fully covering this 2026 Ford Mustang Mach-E RWD Extended's 320-mile EPA range costs about $13.64 (98.1 kWh) — the energy the EPA test actually used, not the battery's rated size.

2026 Ford Mustang Mach-E RWD Extended in Tennessee, ranked

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Ford Mustang Mach-E RWD Extended in Tennessee ranks 1,632 for cost savings versus gas — 1 being the best deal nationally. Separately, the Ford Mustang Mach-E RWD Extended ranks 71 of 400 EV models for raw efficiency, and Tennessee ranks 13 of 51 for cheapest residential electricity.

Before you install a home charger in Tennessee

Everything above is the per-mile and per-year cost once a home charger exists — getting one installed is a separate electrical job whose price depends on your panel and wiring, not the state average used here.

Get quotes from local electricians for Level 2 charger installation in Tennessee before deciding.

More on how this number was built

The methodology guide names the exact EIA and EPA tables behind this page's numbers. Curious how Tennessee's 13.9¢/kWh compares? The guide to charging cost by state ranks every state side by side.